fix: After rebase fixes

--- don't change below this line ---
ENG-4088 Took 2 minutes

src/encoding/evm/mod.rs

@@ -1,4 +1,5 @@
 pub mod approvals;
+mod constants;
 pub mod strategy_encoder;
 mod swap_encoder;
 pub mod tycho_encoder;

src/encoding/evm/swap_encoder/swap_encoder_registry.rs

@@ -2,7 +2,8 @@ use std::{collections::HashMap, fs};
 
 use crate::encoding::{
     errors::EncodingError,
-    evm::{constants::DEFAULT_EXECUTORS_JSON, swap_encoder::builder::SwapEncoderBuilder}, models::Chain,
+    evm::{constants::DEFAULT_EXECUTORS_JSON, swap_encoder::builder::SwapEncoderBuilder},
+    models::Chain,
     swap_encoder::SwapEncoder,
 };
 

src/encoding/models.rs

@@ -137,6 +137,7 @@ impl From<TychoCoreChain> for ChainId {
             TychoCoreChain::ZkSync => ChainId(324),
             TychoCoreChain::Arbitrum => ChainId(42161),
             TychoCoreChain::Starknet => ChainId(0),
+            TychoCoreChain::Base => ChainId(8453),
         }
     }
 }